A post hoc test is conducted to make multiple comparisons between the mean scores of three groups of clients in a child guidance center. Group A receives play therapy, only. Group both play and family therapy. The significance level is .05. The p value for the difference between Groups A and B is .66. The p value for the difference between Groups A and C is .01. The p value for the difference between Groups B and C is .01. receives family therapy, only. Group C receives Comparison Play Therapy (Group A) X Family Therapy (Group, = 0.66 B) Play Therapy (Group A) X Play Therapy + Family Therapy (Group C) Family Theraphy (Group B) X Play Therapy + Family Therapy (Group C) p-value SE p = 0.01 p = 0.01 AVOMA Which of the following interpretations is most appropriate in light of these results? a. Play therapy and family therapy appear to be equally effective. ed a b. Play therapy appears to be effective. c. Family therapy appears to be effective. d. The combination of play and family therapy appears to have a significantly different effect than either play therapy alone or family therapy alone.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A post hoc test is conducted to make multiple comparisons between the mean scores of three groups of clients in a
child guidance center. Group A receives play therapy, only. Group B receives family therapy, only. Group C receives
both play and family therapy. The significance level is .05. The p value for the difference between Groups A and B is
.66. The p value for the difference between Groups A and C is .01. The p value for the difference between Groups B
and C is .01.
Comparison
Play Therapy (Group A) X Family Therapy (Group
B)
Play Therapy (Group A) X Play Therapy + Family
Therapy (Group C)
Family Theraphy (Group B) X Play Therapy +
Family Therapy (Group C)
p-value
p = 0.66
p = 0.01
p= 0.01
AVOHA
ed
Which of the following interpretations is most appropriate in light of these results?
a. Play therapy and family therapy appear to be equally effective.
b. Play therapy appears to be effective.
c. Family therapy appears to be effective.
d. The combination of play and family therapy appears to have a significantly different effect than either play
therapy alone or family therapy alone.
Transcribed Image Text:A post hoc test is conducted to make multiple comparisons between the mean scores of three groups of clients in a child guidance center. Group A receives play therapy, only. Group B receives family therapy, only. Group C receives both play and family therapy. The significance level is .05. The p value for the difference between Groups A and B is .66. The p value for the difference between Groups A and C is .01. The p value for the difference between Groups B and C is .01. Comparison Play Therapy (Group A) X Family Therapy (Group B) Play Therapy (Group A) X Play Therapy + Family Therapy (Group C) Family Theraphy (Group B) X Play Therapy + Family Therapy (Group C) p-value p = 0.66 p = 0.01 p= 0.01 AVOHA ed Which of the following interpretations is most appropriate in light of these results? a. Play therapy and family therapy appear to be equally effective. b. Play therapy appears to be effective. c. Family therapy appears to be effective. d. The combination of play and family therapy appears to have a significantly different effect than either play therapy alone or family therapy alone.
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